Hi,
Am Freitag, 15. Dezember 2023, 03:12:43 CET schrieb Xu Yang:
> Hi Alexander,
>
> > Hi,
> >
> > thanks for the patch.
> >
> > Am Donnerstag, 14. Dezember 2023, 12:24:41 CET schrieb Xu Yang:
> > > There are 2 USB controllers on i.MX93. Add them.
> > >
> > > Signed-off-by: Xu Yang <xu.yang_2@xxxxxxx>
> > > ---
> > >
> > > arch/arm64/boot/dts/freescale/imx93.dtsi | 58 ++++++++++++++++++++++++
> > > 1 file changed, 58 insertions(+)
> > >
> > > diff --git a/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > b/arch/arm64/boot/dts/freescale/imx93.dtsi index
> > > 34c0540276d1..bcf4861cfede
> > > 100644
> > > --- a/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > +++ b/arch/arm64/boot/dts/freescale/imx93.dtsi
> > > @@ -171,6 +171,20 @@ cm33: remoteproc-cm33 {
> > >
> > > status = "disabled";
> > >
> > > };
> > >
> > > + usbphynop1: usbphynop1 {
> > > + #phy-cells = <0>;
> > > + compatible = "usb-nop-xceiv";
> >
> > compatible first.
>
> Okay.
>
> > > + clocks = <&clk IMX93_CLK_USB_PHY_BURUNIN>;
> > > + clock-names = "main_clk";
> > > + };
> > > +
> > > + usbphynop2: usbphynop2 {
> > > + #phy-cells = <0>;
> > > + compatible = "usb-nop-xceiv";
> >
> > compatible first.
>
> Okay.
>
> > > + clocks = <&clk IMX93_CLK_USB_PHY_BURUNIN>;
> > > + clock-names = "main_clk";
> > > + };
> > > +
> > >
> > > soc@0 {
> > >
> > > compatible = "simple-bus";
> > > #address-cells = <1>;
> > >
> > > @@ -1059,5 +1073,49 @@ ddr-pmu@4e300dc0 {
> > >
> > > reg = <0x4e300dc0 0x200>;
> > > interrupts = <GIC_SPI 90 IRQ_TYPE_LEVEL_HIGH>;
> > >
> > > };
> > >
> > > +
> > > + usbotg1: usb@4c100000 {
> > > + compatible = "fsl,imx8mm-usb", "fsl,imx7d-usb",
> >
> > "fsl,imx27-usb";
> >
> > > + reg = <0x4c100000 0x200>;
> > > + interrupts = <GIC_SPI 187 IRQ_TYPE_LEVEL_HIGH>;
> > > + clocks = <&clk IMX93_CLK_USB_CONTROLLER_GATE>,
> > > + <&clk IMX93_CLK_HSIO_32K_GATE>;
> > > + clock-names = "usb_ctrl_root_clk",
> >
> > "usb_wakeup_clk";
> >
> > drivers/usb/chipidea/ci_hdrc_imx.c uses 3 clocks: "ipg", "ahb" and "per",
> > see imx_get_clks(). How is this supposed to work?
>
> I have sent another patch to get this clock.
> https://lore.kernel.org/all/20231214112622.2412321-1-xu.yang_2@xxxxxxx/
Okay, but that adds another clock which is not mentioned in Documentation/
devicetree/bindings/usb/ci-hdrc-usb2.yaml at all. I guess some compatible-
specific constraints regarding number of clocks should be added.
Best regards,
Alexander
>
> > > + assigned-clocks = <&clk IMX93_CLK_HSIO>;
> > > + assigned-clock-parents = <&clk
> >
> > IMX93_CLK_SYS_PLL_PFD1_DIV2>;
> >
> > > + assigned-clock-rates = <133000000>;
> > > + fsl,usbphy = <&usbphynop1>;
> > > + fsl,usbmisc = <&usbmisc1 0>;
> > > + status = "disabled";
> > > + };
> > > +
> > > + usbmisc1: usbmisc@4c100200 {
> > > + compatible = "fsl,imx8mm-usbmisc", "fsl,imx7d-
> >
> > usbmisc",
> >
> > > + "fsl,imx6q-usbmisc";
> >
> > This means you are compatible to fsl,imx7d-usbmisc. Which means you use
> > register MX7D_USB_OTG_PHY_STATUS in USB misc (USBNC). But i.MX93 RM Rev. 2
> > (04/2023) lacks this and other registers.
>
> Some registers in USBNC are not shown. The internal RM has these registers.
>
> > > + #index-cells = <1>;
> > > + reg = <0x4c100200 0x200>;
> >
> > reg after compatible.
>
> Okay.
>
> > > + };
> > > +
> > > + usbotg2: usb@4c200000 {
> > > + compatible = "fsl,imx8mm-usb", "fsl,imx7d-usb",
> >
> > "fsl,imx27-usb";
> >
> > > + reg = <0x4c200000 0x200>;
> > > + interrupts = <GIC_SPI 188 IRQ_TYPE_LEVEL_HIGH>;
> > > + clocks = <&clk IMX93_CLK_USB_CONTROLLER_GATE>,
> > > + <&clk IMX93_CLK_HSIO_32K_GATE>;
> > > + clock-names = "usb_ctrl_root_clk",
> >
> > "usb_wakeup_clk";
> >
> > The same as for usbotg1 applies here.
>
> Okay.
>
> > > + assigned-clocks = <&clk IMX93_CLK_HSIO>;
> > > + assigned-clock-parents = <&clk
> >
> > IMX93_CLK_SYS_PLL_PFD1_DIV2>;
> >
> > > + assigned-clock-rates = <133000000>;
> > > + fsl,usbphy = <&usbphynop2>;
> > > + fsl,usbmisc = <&usbmisc2 0>;
> > > + status = "disabled";
> > > + };
> > > +
> > > + usbmisc2: usbmisc@4c200200 {
> > > + compatible = "fsl,imx8mm-usbmisc", "fsl,imx7d-
> >
> > usbmisc",
> >
> > > + "fsl,imx6q-usbmisc";
> > > + #index-cells = <1>;
> > > + reg = <0x4c200200 0x200>;
> >
> > The same as for usbmisc1 applies here.
>
> Okay.
>
> > > + };
> > >
> > > };
> > >
> > > };
> >
> > Best regards,
> > Alexander
> >
> > --
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TQ-Systems GmbH | Mühlstraße 2, Gut Delling | 82229 Seefeld, Germany
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Geschäftsführer: Detlef Schneider, Rüdiger Stahl, Stefan Schneider
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